.main_container {
    height: 100vh;
    width: 100%;
    background-color: transparent;
    
    #blur {
        z-index: 0;
        position: fixed;
        width: 100vw;
        height: 100vh;
        background-color: rgba(3, 11, 20, .7);
        backdrop-filter: blur(15px);
    }
}